41 static bool ntfs_is_valid_reparse_buffer(struct ntfs_inode *ni,  in ntfs_is_valid_reparse_buffer()  argument
46 	if (!ni || !reparse_attr)  in ntfs_is_valid_reparse_buffer()
79 static bool valid_reparse_data(struct ntfs_inode *ni,  in valid_reparse_data()  argument
86 	if (ntfs_is_valid_reparse_buffer(ni, reparse_attr, size) == false)  in valid_reparse_data()
99 		if (data_len || !(ni->flags & FILE_ATTRIBUTE_RECALL_ON_OPEN))  in valid_reparse_data()
134 unsigned int ntfs_make_symlink(struct ntfs_inode *ni)  in ntfs_make_symlink()  argument
142 	reparse_attr = ntfs_attr_readall(ni, AT_REPARSE_POINT, NULL, 0,  in ntfs_make_symlink()
145 	    valid_reparse_data(ni, reparse_attr, attr_size)) {  in ntfs_make_symlink()
153 				ni->target = kvzalloc(lth + 1, GFP_NOFS);  in ntfs_make_symlink()
154 				if (ni->target) {  in ntfs_make_symlink()
155 					memcpy(ni->target, wsl_link_data->link, lth);  in ntfs_make_symlink()
156 					ni->target[lth] = 0;  in ntfs_make_symlink()
165 		ni->flags &= ~FILE_ATTR_REPARSE_POINT;  in ntfs_make_symlink()
217 static int set_reparse_index(struct ntfs_inode *ni, struct ntfs_index_context *xr,  in set_reparse_index()  argument
224 	file_id_cpu = MK_MREF(ni->mft_no, ni->seq_no);  in set_reparse_index()
253 	struct ntfs_inode *ni = NTFS_I(rp);  in remove_reparse_index()  local
254 	int err = 0, ret = ni->data_size;  in remove_reparse_index()
256 	if (ni->data_size == 0)  in remove_reparse_index()
264 	file_id_cpu = MK_MREF(ni->mft_no, ni->seq_no);  in remove_reparse_index()
330 static int update_reparse_data(struct ntfs_inode *ni, struct ntfs_index_context *xr,  in update_reparse_data()  argument
340 	rp_inode = ntfs_attr_iget(VFS_I(ni), AT_REPARSE_POINT, AT_UNNAMED, 0);  in update_reparse_data()
355 		ntfs_error(ni->vol->sb, "Failed to update reparse data\n");  in update_reparse_data()
360 	if (set_reparse_index(ni, xr, ((const struct reparse_point *)value)->reparse_tag) &&  in update_reparse_data()
368 		ntfs_error(ni->vol->sb,  in update_reparse_data()
372 	mark_mft_record_dirty(ni);  in update_reparse_data()
382 int ntfs_delete_reparse_index(struct ntfs_inode *ni)  in ntfs_delete_reparse_index()  argument
390 	if (!(ni->flags & FILE_ATTR_REPARSE_POINT))  in ntfs_delete_reparse_index()
393 	vi = ntfs_attr_iget(VFS_I(ni), AT_REPARSE_POINT, AT_UNNAMED, 0);  in ntfs_delete_reparse_index()
401 	xr = open_reparse_index(ni->vol);  in ntfs_delete_reparse_index()
418 	ni->flags &= ~FILE_ATTR_REPARSE_POINT;  in ntfs_delete_reparse_index()
419 	NInoSetFileNameDirty(ni);  in ntfs_delete_reparse_index()
420 	mark_mft_record_dirty(ni);  in ntfs_delete_reparse_index()
430 static int ntfs_set_ntfs_reparse_data(struct ntfs_inode *ni, char *value, size_t size)  in ntfs_set_ntfs_reparse_data()  argument
436 	if (!ni)  in ntfs_set_ntfs_reparse_data()
444 	if (valid_reparse_data(ni, (const struct reparse_point *)value, size) == false)  in ntfs_set_ntfs_reparse_data()
447 	xr = open_reparse_index(ni->vol);  in ntfs_set_ntfs_reparse_data()
452 	if (!ntfs_attr_exist(ni, AT_REPARSE_POINT, AT_UNNAMED, 0)) {  in ntfs_set_ntfs_reparse_data()
460 		if (ni->vol->major_ver < 3) {  in ntfs_set_ntfs_reparse_data()
466 		err = ntfs_attr_add(ni, AT_REPARSE_POINT, AT_UNNAMED, 0, (u8 *)&rp, sizeof(rp));  in ntfs_set_ntfs_reparse_data()
471 		ni->flags |= FILE_ATTR_REPARSE_POINT;  in ntfs_set_ntfs_reparse_data()
472 		NInoSetFileNameDirty(ni);  in ntfs_set_ntfs_reparse_data()
473 		mark_mft_record_dirty(ni);  in ntfs_set_ntfs_reparse_data()
478 	err = update_reparse_data(ni, xr, value, size);  in ntfs_set_ntfs_reparse_data()
480 		ni->flags &= ~FILE_ATTR_REPARSE_POINT;  in ntfs_set_ntfs_reparse_data()
481 		NInoSetFileNameDirty(ni);  in ntfs_set_ntfs_reparse_data()
482 		mark_mft_record_dirty(ni);  in ntfs_set_ntfs_reparse_data()
498 int ntfs_reparse_set_wsl_symlink(struct ntfs_inode *ni,  in ntfs_reparse_set_wsl_symlink()  argument
508 	len = ntfs_ucstonls(ni->vol, target, target_len, &utarget, 0);  in ntfs_reparse_set_wsl_symlink()
525 		err = ntfs_set_ntfs_reparse_data(ni,  in ntfs_reparse_set_wsl_symlink()
529 			ni->target = utarget;  in ntfs_reparse_set_wsl_symlink()
540 int ntfs_reparse_set_wsl_not_symlink(struct ntfs_inode *ni, mode_t mode)  in ntfs_reparse_set_wsl_not_symlink()  argument
568 		err = ntfs_set_ntfs_reparse_data(ni, (char *)reparse,  in ntfs_reparse_set_wsl_not_symlink()